![](https://webarchive.library.unt.edu/eot2008/20090514055237im_/http://www.cancer.gov/images/spacer.gif) |
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(brest KAN-ser)
![](https://webarchive.library.unt.edu/eot2008/20090514055237im_/http://www.cancer.gov/images/spacer.gif)
| Cancer that forms in tissues of the breast, usually the ducts (tubes that carry milk to the nipple) and lobules (glands that make milk). It occurs in both men and women, although male breast cancer is rare. |
Previous Definitions: | Brassica vegetable, BRCA1, BRCA2, breakthrough pain, breast | Next Definitions: | breast carcinoma in situ, breast density, breast duct, breast duct endoscopy, Breast Imaging Reporting and Data System |
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![](https://webarchive.library.unt.edu/eot2008/20090514055237im_/http://www.cancer.gov/images/spacer.gif) |